net/smc: allow cdc msg send rather than drop it with NULL sndbuf_desc

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[ Upstream commit c5bf605ba4 ]

This patch re-fix the issues mentioned by commit 22a825c541
("net/smc: fix NULL sndbuf_desc in smc_cdc_tx_handler()").

Blocking sending message do solve the issues though, but it also
prevents the peer to receive the final message. Besides, in logic,
whether the sndbuf_desc is NULL or not have no impact on the processing
of cdc message sending.

Hence that, this patch allows the cdc message sending but to check the
sndbuf_desc with care in smc_cdc_tx_handler().

Fixes: 22a825c541 ("net/smc: fix NULL sndbuf_desc in smc_cdc_tx_handler()")
Signed-off-by: D. Wythe <alibuda@linux.alibaba.com>
Reviewed-by: Dust Li <dust.li@linux.alibaba.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>

...

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D. Wythe 2023-11-03 14:07:39 +08:00 • committed by Greg Kroah-Hartman

parent 9d976cd3e3

commit 2d563aa752

1 changed files with 4 additions and 5 deletions

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net/smc/smc_cdc.c

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